F5 Patches Two Critical NGINX Flaws in HTTP/3 and HTTP/2 Modules (CVE-2026-42530, CVE-2026-42055)

· Securityonline · June 19, 2026, 2:50 a.m.
Vulnerability Report buffer overflow CVE-2026-42055 CVE-2026-42530 Cybersecurity nginx patches http2
Summary
F5 has released urgent patches addressing two critical vulnerabilities in the NGINX web server related to HTTP/3 and HTTP/2 modules, noted as CVE-2026-42530 and CVE-2026-42055.
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